Content .. 671 672 673 674 ..

Infiniti QX56 (Z62). Manual - part 673

EM-132

< SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

General Specification

INFOID:0000000006289589

GENERAL SPECIFICATIONS

Drive Belts

INFOID:0000000006289590

DRIVE BELT

Spark Plug

INFOID:0000000006289591

SPARK PLUG

Unit: mm (in)

Cylinder arrangement

V-8

Displacement

(cu in)

5,552 (338.80)

Bore and stroke

mm (in)

98.0 x 92.0 (3.86 x 3.62)

Valve arrangement

DOHC

Firing order

1-8-7-3-6-5-4-2

Number of piston rings

Compression

Oil

Number of main bearings

Compression ratio

10.8

Compression pressure

kPa (kg/cm

, psi)/200 rpm

Standard

1,667 (17, 242)

Minimum

1,226 (12.5, 178)

Differential limit between cylinders

98 (1.0, 14)

Cylinder number

Unit: degree

Valve timing

Intake valve open (BTDC)

(

−

61) - (+ 58)

Intake valve close (ABDC)

(

−

76) - (+ 69)

Exhaust valve open (BBDC)

Exhaust valve close (ATDC)

SEM957C

Tension of drive belts

Belt tension is not necessary, as it is automatically adjusted by drive belt auto-tensioner.

Make

NGK

Standard type

DILKAR7B11

SERVICE DATA AND SPECIFICATIONS (SDS)

EM-133

< SERVICE DATA AND SPECIFICATIONS (SDS)

Exhaust Manifold

INFOID:0000000006289592

EXHAUST MANIFOLD

Unit: mm (in)

Camshaft

INFOID:0000000006289593

EXHAUST CAMSHAFT

Unit: mm (in)

*: Total indicator reading

INTAKE CAMSHAFT

Unit: mm (in)

: Total indicator reading

VALVE LIFTER

Unit: mm (in)

VALVE CLEARANCE

Gap

Standard

1.1 (0.043)

Limit

1.25 (0.049)

Items

Limit

Surface distortion

Exhaust manifold

0.7 (0.028)

Items

Standard

Limit

Exhaust camshaft journal oil clearance

0.030 - 0.071 (0.0012 - 0.0028)

0.150 (0.0059)

VVEL ladder assembly bracket inner diameter (EXH side)

26.000 - 26.021 (1.0236 - 1.0244)

—

Exhaust camshaft journal diameter

25.935 - 25.955 (1.0211 - 1.0218)

—

Exhaust camshaft end play

0.115 - 0.188 (0.0045 - 0.0074)

0.24 (0.0094)

Exhaust camshaft cam height “A”

45.475 - 45.665 (1.7904 - 1.7978)

45.275 (1.7825)

Exhaust camshaft runout [TIR*]

Less than 0.02 (0.0008)

0.05 (0.002)

Exhaust camshaft sprocket runout [TIR*]

—

0.2 (0.0079)

SEM671

Items

Standard

Limit

Drive shaft end play

0.115 - 0.188 (0.0045 - 0.0074)

0.24 (0.0094)

Intake camshaft sprocket runout [TIR*

]

—

0.15 (0.0059)

Items

Standard

Valve lifter outer diameter

33.980 - 33.990 (1.3378 - 1.3382)

Valve lifter hole diameter

34.000 - 34.016 (1.3386 - 1.3392)

Valve lifter clearance

0.010 - 0.036 (0.0004 - 0.0014)

EM-134

< SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

Unit: mm (in)

*: Approximately 80

C (176

AVAILABLE VALVE LIFTER

Unit: mm (in)

Items

Cold

Hot* (reference data)

Intake

0.26 - 0.34 (0.010 - 0.013)

0.304 - 0.416 (0.012 - 0.016)

Exhaust

0.29 - 0.37 (0.011 - 0.015)

0.308 - 0.432 (0.012 - 0.017)

Identification (stamped) mark

Thickness

788P

7.88 (0.3102)

790P

7.90 (0.3110)

792P

7.92 (0.3118)

794P

7.94 (0.3126)

796P

7.96 (0.3134)

798P

7.98 (0.3142)

800P

8.00 (0.3150)

802P

8.02 (0.3157)

804P

8.04 (0.3165)

806P

8.06 (0.3173)

808P

8.08 (0.3181)

810P

8.10 (0.3189)

812P

8.12 (0.3197)

814P

8.14 (0.3205)

816P

8.16 (0.3213)

818P

8.18 (0.3220)

820P

8.20 (0.3228)

822P

8.22 (0.3236)

824P

8.24 (0.3244)

826P

8.26 (0.3252)

828P

8.28 (0.3260)

830P

8.30 (0.3268)

832P

8.32 (0.3276)

834P

8.34 (0.3283)

836P

8.36 (0.3291)

838P

8.38 (0.3299)

840P

8.40 (0.3307)

SEM758G

SERVICE DATA AND SPECIFICATIONS (SDS)

EM-135

< SERVICE DATA AND SPECIFICATIONS (SDS)

Cylinder Head

INFOID:0000000006289594

CYLINDER HEAD

Unit: mm (in)

VALVE DIMENSIONS

Unit: mm (in)

VALVE GUIDE

Items

Standard

Limit

Head surface distortion

Less than 0.03 (0.0012)

0.1 (0.004)

Normal cylinder head height “H”

126.3 (4.97)

—

PBIC0924E

Valve head diameter “D”

Intake

36.6 - 36.9 (1.441 - 1.453)

Exhaust

31.2 - 31.5 (1.228 - 1.240)

Valve length “L”

Intake

99.19 - 99.69 (3.9051 - 3.9248)

Exhaust

93.74 - 94.24 (3.6905 - 3.7102)

Valve stem diameter “d”

Intake

5.965 - 5.980 (0.2348 - 0.2354)

Exhaust

5.955 - 5.970 (0.2344 - 0.2350)

Valve seat angle “

”

Intake

′

- 45

′

Exhaust

Valve margin “T”

Intake

1.1 (0.043)

Exhaust

1.3 (0.051)

Valve margin “T” limit

0.5 (0.020)

Valve stem end surface grinding limit

0.2 (0.008)

SEM188

Content .. 671 672 673 674 ..